IYM vs PHO: Holdings Overlap
IYMiShares U.S. Basic Materials ETF
iShares · 38 holdings · $1.1B · as of 2026-04-30
PHOInvesco Water Resources ETF
Invesco · 36 holdings · $2.1B · as of 2026-04-30
How similar are IYM and PHO?
iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38 positions; Invesco Water Resources ETF (PHO, by Invesco) holds 36. They have 2 holdings in common, and by portfolio weight the two funds are 7.4% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 7.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2IYM holds 38 · PHO holds 36
- Weight in Shared Holdings
- IYM 7%·PHO 12%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IYM
36 of 38 positions (92.4% of the fund) are not held by PHO. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYM | PHO |
|---|---|---|
| Materials | 88.4% | 8.1% |
| Industrials | 11.4% | 55.4% |
| Information Technology | 0.0% | 13.0% |
| Utilities | 0.0% | 12.8% |
| Health Care | 0.0% | 8.2% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 0.0% | 2.5% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (0% of IYM, 2% of PHO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IYM | +5.2% | +23.1% | +34.0% | +13.6% | +9.2% | +10.8% | 1.24% |
| PHO | +5.7% | +4.5% | +3.2% | +8.8% | +5.6% | +12.2% | 0.55% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IYM vs PHO →
Shared Holdings(2)
Frequently Asked Questions
How much do IYM and PHO overlap?
IYM and PHO overlap by 7.4% of portfolio weight. They share 2 holdings (IYM holds 38 positions and PHO holds 36), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYM and PHO?
The two portfolios are 7.4% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IYM and PHO?
The largest positions held by both funds are ECL and MLI. Together the top 2 shared positions account for 100% of the total overlap.
What does IYM own that PHO doesn't?
36 positions (92.4% of IYM) are unique to IYM, led by LIN, NEM and FCX. In the other direction, 34 positions (88.5% of PHO) are unique to PHO.